| 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * Internal routine for packing UUID's
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| 4 | *
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| 5 | * Copyright (C) 1996, 1997 Theodore Ts'o.
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| 6 | *
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| 7 | * %Begin-Header%
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| 8 | * Redistribution and use in source and binary forms, with or without
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| 9 | * modification, are permitted provided that the following conditions
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| 10 | * are met:
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| 11 | * 1. Redistributions of source code must retain the above copyright
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| 12 | * notice, and the entire permission notice in its entirety,
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| 13 | * including the disclaimer of warranties.
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| 14 | * 2. Redistributions in binary form must reproduce the above copyright
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| 15 | * notice, this list of conditions and the following disclaimer in the
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| 16 | * documentation and/or other materials provided with the distribution.
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| 17 | * 3. The name of the author may not be used to endorse or promote
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| 18 | * products derived from this software without specific prior
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| 19 | * written permission.
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| 20 | *
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| 21 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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| 22 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 23 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
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| 24 | * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
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| 25 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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| 27 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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| 28 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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| 29 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 30 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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| 31 | * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
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| 32 | * DAMAGE.
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| 33 | * %End-Header%
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| 34 | */
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| 35 |
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| 36 | #include <string.h>
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| 37 | #include "uuidP.h"
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| 38 |
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| 39 | void uuid_pack(const struct uuid *uu, uuid_t ptr)
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| 40 | {
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| 41 | uint32_t tmp;
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| 42 | unsigned char *out = ptr;
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| 43 |
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| 44 | tmp = uu->time_low;
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| 45 | out[3] = (unsigned char) tmp;
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| 46 | tmp >>= 8;
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| 47 | out[2] = (unsigned char) tmp;
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| 48 | tmp >>= 8;
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| 49 | out[1] = (unsigned char) tmp;
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| 50 | tmp >>= 8;
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| 51 | out[0] = (unsigned char) tmp;
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| 52 |
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| 53 | tmp = uu->time_mid;
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| 54 | out[5] = (unsigned char) tmp;
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| 55 | tmp >>= 8;
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| 56 | out[4] = (unsigned char) tmp;
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| 57 |
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| 58 | tmp = uu->time_hi_and_version;
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| 59 | out[7] = (unsigned char) tmp;
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| 60 | tmp >>= 8;
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| 61 | out[6] = (unsigned char) tmp;
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| 62 |
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| 63 | tmp = uu->clock_seq;
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| 64 | out[9] = (unsigned char) tmp;
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| 65 | tmp >>= 8;
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| 66 | out[8] = (unsigned char) tmp;
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| 67 |
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| 68 | memcpy(out+10, uu->node, 6);
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| 69 | }
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